Silly me. Mir seems to be behaving correctly, although I can think of some
improvements. The real issue here is that dynamic double buffering relies on
the compositor (over)scheduling enough frames for the performance detection to
work. That means calling:
mir::compositor::Scene::frames_pending()
and compositing that many frames as a _minimum_. We just haven't added support
for the algorithm fully to qtmir's compositor code yet.
** Also affects: qtmir
Importance: Undecided
Status: New
** Also affects: qtmir (Ubuntu)
Importance: Undecided
Status: New
** Changed in: qtmir
Importance: Undecided => High
** Changed in: qtmir (Ubuntu)
Importance: Undecided => High
** Summary changed:
- Dynamic double buffering fails to detect inertial dash scrolling as slow; and
stutters
+ Dynamic double buffering fails to detect inertial dash scrolling as slow; and
stutters instead of scaling up to triple buffers.
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https://bugs.launchpad.net/bugs/1476201
Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutters instead of scaling up to triple buffers.
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